CATALOGUE. 267 ments, which are united about one-third their length ; style cleft half-way down into linear divisions; seeds (immature) oval or nearly round, mar¬ gined, on a funiculus longer than their diameter.—Plate XXVI. Natural size. Fig. 1. Stamen, seen from outside. Fig. 2. The same, seen from inside the flower. Fig. 3. Style. Fig. 4. Flower, with perianth removed. Fig. 5. Mature capsule. All except the first enlarged about 5 diameters. This handsome species (238) I discovered at Willow Spring, Arizona, at an altitude of 7,195 feet; grows in damp places. There are indications of its presence elsewhere in Arizona, and allied species are found in Mexico. AMARYLLIDEiE. By De. Geoege Engelmann. Agave Utahensis, Engelm., Bot. King's Report, 497; Engelm. Agav. in Trans. Acad. St Louis, 3, 308.—Stemless; leaves suberect, or outer ones spreading, lanceolate, tapering from a broad base, concave, 6-12' long, 1-2' wide, not constricted above the base, very thick, hard, glaucous and rough, terminating in a long (1 inch) pale spine, with broad whitish teeth on the margin; flowering stalk 5-7° high, with a spike-like raceme of yellow flowers each 1' long, in pairs, or often in clusters of 4, on distinct pedicels; lobes 3 times longer than the funnel-shaped tube, which bears the stamens in the middle; filaments and style not much longer than the perigon; capsule oval subcylindric, about 1' long. Northern Arizona, Bischoff, to Southern Utah. Agave Paeeyi, Engelm. Agave, ?. c. 311. (A. Americana, var. f lati¬ folia, Torr. Bot Mex. Bound. 213.)—Stemless; numerous short and broad (9-12' long and 3-3^' wide) leaves crowded around the base of the stalk pale, glaucous, with small, almost black, spiny, straightish teeth, and with a dark, horny margin toward the cuspidate tip, which terminates in a robust, somewhat triangular, black spine 1' in length; stout scape 8-12° high, bearing a large, branched panicle of cream-colored flowers over 2' in length; perigon deeply 6-parted; lobes twice as long as tube, which bears the long-exsert stamens in its throat; capsule broadly oval, sessile; seeds larger than in either of the other species.